Home / 33,068.05-45,631.55-18,729.33

Finding the Fourth Proportional to 33,068.05, 45,631.55 and 18,729.33

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Solution

The fourth proportional to 33,068.05, 45,631.55 and 18,729.33 is: 25,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.05 : 45,631.55 = 18,729.33 : x
  2. Step 2: Convert to fraction form
    33,068.05/45,631.55 = 18,729.33/x
  3. Step 3: Cross multiply
    33,068.05x = 45,631.55 × 18,729.33
  4. Step 4: Simplify right side
    33,068.05x = 854,648,234.07
  5. Step 5: Solve for x
    x = 854,648,234.07/33,068.05
  6. Step 6: Final answer
    x = 25,845.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.